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Finding the Fourth Proportional to 292,983.48, 404,354.43 and 165,656.34

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Solution

The fourth proportional to 292,983.48, 404,354.43 and 165,656.34 is: 228,626.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,983.48 : 404,354.43 = 165,656.34 : x
  2. Step 2: Convert to fraction form
    292,983.48/404,354.43 = 165,656.34/x
  3. Step 3: Cross multiply
    292,983.48x = 404,354.43 × 165,656.34
  4. Step 4: Simplify right side
    292,983.48x = 66,983,874,936.59
  5. Step 5: Solve for x
    x = 66,983,874,936.59/292,983.48
  6. Step 6: Final answer
    x = 228,626.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.